At least someone made an effort: Pitt dressed in all black but comedian Tina Fey wore a smart cocktail dress

Comedian Tina had made more of an effort with her outfit, arriving in a black and white cocktail dress, her hair blow dried.

Brad,
46, only just returned to the U.S. from Budapest, where his partner
Angelina Jolie is directing her latest movie, said to be a Bosnian War
love story.

He took care of the couple's six children while
she was on set, although the couple were also pictured enjoying some
time alone together.

Who let him in? Ben Stiller, dressed in a smart suit, poses with dressed-down Brad

According to The Hollywood Reporter, Brad has just signed on for his next movie.

He will star in the comedic crime story Cogan's Trade, working once more with The Assassination of Jesse Jame director Andrew Dominik.

The report notes that additional Jesse James castmembers are being considered for the heist comedy, including Sam Rockwell and Casey Affleck, while actors Mark Ruffalo and Javier Bardem are also up for roles.